var timeout         = 500;

var closetimer          = 0;

var ddmenuitem      = 0;



function jsddm_open()

{       jsddm_canceltimer();

        jsddm_close();

        ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}



function jsddm_close()

{       if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}



function jsddm_timer()

{       closetimer = window.setTimeout(jsddm_close, timeout);}



function jsddm_canceltimer()

{       if(closetimer)

        {       window.clearTimeout(closetimer);

                closetimer = null;}}



$(document).ready(function()

{       $('#jsddm > li').bind('mouseover', jsddm_open);

        $('#jsddm > li').bind('mouseout',  jsddm_timer);});



document.onclick = jsddm_close;

